Ostreicher; Eugene A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ostreicher; Eugene A..The latest application filed is for "filter sheet and process for purifying photoresist composition employing the filter sheet".
- Ostreicher; Eugene A. - Farmington CT
| Patent | Date |
|---|---|
| Filter sheet and process for purifying photoresist composition employing the filter sheet Grant 6,733,677 - Hou , et al. May 11, 2 | 2004-05-11 |
| Filter sheet and process for purifying photoresist composition employing the filter sheet App 20030047507 - Hou, Kenneth C. ; et al. | 2003-03-13 |
| Method for charge-modifying polyester App 20020155225 - Yeh, Eshan B. ; et al. | 2002-10-24 |
| Charge-modified dye absorption media App 20020142933 - Yeh, Eslran B. ; et al. | 2002-10-03 |
| Filter sheet for purifying photoresist composition Grant 6,103,122 - Hou , et al. August 15, 2 | 2000-08-15 |
| Compressible differential pressure energized seals for filter elements and the like Grant 5,399,264 - Pulek , et al. March 21, 1 | 1995-03-21 |
| Use of cationic charge modified filter media Grant 5,085,780 - Ostreicher February 4, 1 | 1992-02-04 |
| Use of cationic charge modified filter media Grant 5,085,784 - Ostreicher February 4, 1 | 1992-02-04 |
| Filter element Grant 5,028,327 - Ostreicher , et al. * July 2, 1 | 1991-07-02 |
| Filter element Grant 5,015,316 - Ostreicher , et al. * May 14, 1 | 1991-05-14 |
| Filter element having microporous membrane Grant 4,929,354 - Meyering , et al. May 29, 1 | 1990-05-29 |
| Filter sheet Grant 4,859,340 - Hou , et al. * August 22, 1 | 1989-08-22 |
| Separator for cell type filter element Grant 4,783,262 - Ostreicher , et al. November 8, 1 | 1988-11-08 |
| Filter element Grant 4,731,184 - Ostreicher , et al. March 15, 1 | 1988-03-15 |
| Filter element Grant 4,725,323 - Ostreicher , et al. February 16, 1 | 1988-02-16 |
| Process for charge modifying a microphorous membrane Grant 4,711,793 - Ostreicher , et al. December 8, 1 | 1987-12-08 |
| Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane Grant 4,708,803 - Ostreicher , et al. * November 24, 1 | 1987-11-24 |
| Charge modified microporous membrane Grant 4,673,504 - Ostreicher , et al. June 16, 1 | 1987-06-16 |
| Filter media and method of making same Grant 4,645,567 - Hou , et al. February 24, 1 | 1987-02-24 |
| Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid Grant 4,473,474 - Ostreicher , et al. September 25, 1 | 1984-09-25 |
| Molecular separation column and use thereof Grant 4,384,957 - Crowder, III , et al. May 24, 1 | 1983-05-24 |
| Filter and method of making same Grant 4,366,068 - Ostreicher , et al. December 28, 1 | 1982-12-28 |
| Process of making an improved filter media Grant 4,321,288 - Ostreicher * March 23, 1 | 1982-03-23 |
| Filter and method of making same Grant 4,309,247 - Hou , et al. January 5, 1 | 1982-01-05 |
| Filter and method of making same Grant 4,305,782 - Ostreicher , et al. December 15, 1 | 1981-12-15 |
| Method for removing cationic contaminants from beverages Grant 4,288,462 - Hou , et al. September 8, 1 | 1981-09-08 |
| Fibrous filter medium and process Grant 4,007,114 - Ostreicher February 8, 1 | 1977-02-08 |
| Particulate filter medium and process Grant 4,007,113 - Ostreicher February 8, 1 | 1977-02-08 |
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